August 21, 1875

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Features

Hell Gate Improvement

Queer Cattle

The Uses of Nature

The United States Commission on Boiler Explosions

Expected Resignation of the Commissioner of Patents

Constancy of the Ocean Level

Scientific and Practical Information - August 21, 1875

Experimental Steam Boiler Explosions

The St. Louis Bridge

Joining up Cells of Batteries

The Electrostatic or Induction Coil

Smith's Improved Bale Tie

Korting's Steam Jet Bilge Pump

Practical Mechanism - August 21, 1875

By Joshua Rose

Improved Floor Clamp

Improved Sudden Grip Vise

New Reaping and Mowing Machinery

Recent American and Foreign Patents - August 21, 1875

The Chemical Fire-Fly

By C. W. Wright

Canadian Patents - August 21, 1875

Communications Received - August 21, 1875

Departments

Letters

Correspondence - August 21, 1875

Departments

Notes and Queries - August 21, 1875

Business and Personal - August 21, 1875

Index of Inventions - August 21, 1875

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Digital Issue ?Read or download this issue’s articles online. *A printed copy of this issue is not included. $7.99

Print + Digital All Access Subscription ?Read or download this issue’s articles online. Plus, subscribe to get Print, Online and Tablet access to the next 12 new issues to be released as well as Online access to archives back to 1845. $99.00

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